StmNvsBackend.h File Reference

Weak product hooks for StmNvs flash I/O (external / QSPI-backed NVS). More...

#include <stddef.h>
#include <stdint.h>

Include dependency graph for StmNvsBackend.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
int	PwStmNvsBackendRead (uint32_t abs_addr, void *buf, size_t len)
int	PwStmNvsBackendWrite (uint32_t abs_addr, const void *buf, size_t len)
int	PwStmNvsBackendSync (void)
int	PwStmNvsBackendErase (uint32_t abs_addr, size_t len)
	Erase [abs_addr, abs_addr+len) for compaction (4 KiB aligned OK).

Detailed Description

Weak product hooks for StmNvs flash I/O (external / QSPI-backed NVS).

Addresses are absolute logical map addresses (e.g. memory-mapped QSPI slice). The product firmware provides strong definitions for these symbols.

Function Documentation

PwStmNvsBackendErase()

int PwStmNvsBackendErase	(	uint32_t	abs_addr,
		size_t	len
	)

Erase [abs_addr, abs_addr+len) for compaction (4 KiB aligned OK).

PwStmNvsBackendRead()

int PwStmNvsBackendRead	(	uint32_t	abs_addr,
		void *	buf,
		size_t	len
	)

Returns

0 on success.

PwStmNvsBackendSync()

int PwStmNvsBackendSync

(

void

)

PwStmNvsBackendWrite()

int PwStmNvsBackendWrite	(	uint32_t	abs_addr,
		const void *	buf,
		size_t	len
	)